This is a pure post-stage digital amplifier board built with TDA7498E power amplifier chip. It delivers high-power stereo output with low distortion and high efficiency. Equipped with active cooling radiator and automatic fan, it supports long-time stable operation under heavy load. Onboard volume potentiometer and RCA audio input interface, easy to match pre-tone boards, signal sources. Great for DIY HIFI speakers, active audio systems and speaker modification projects.

✅ TDA7498E Digital Amplifier Chip High efficiency Class D amplifier, low audio distortion, transparent and clear sound performance. ✅ High Power Stereo Output Dual channel 160W per channel output, sufficient power for medium and large speaker drivers. ✅ Active Heat Dissipation System Large aluminum radiator with automatic cooling fan, effectively reduce temperature during continuous high-power playback. ✅ Onboard Volume Control Knob Convenient real-time volume adjustment; supports connection with external front tone board. ✅ Standard RCA Audio Input RCA terminal for audio signal access, easy to connect media players, preamplifiers. ✅ High-quality Filter Capacitors Multiple large-capacity electrolytic capacitors filter power supply ripples, purify audio signal. ✅ Wide Voltage Input DC 12V ~ 24V power supply, compatible with common DC switching power adapters.